20169989725

素因数分解:

$5^2\times {\mathrm{23}}^2\times {\mathrm{571}}^1\times {\mathrm{2671}}^1$

素因数の和:3298

約数の個数: 36

約数和(自身を含む): 26201086912

約数和(自身を除く): 6031097187

約数列:

[1, 5, 23, 25, 115, 529, 571, 575, 2645, 2671, 2855, 13133, 13225, 13355, 14275, 61433, 65665, 66775, 302059, 307165, 328325, 1412959, 1510295, 1525141, 1535825, 7064795, 7551475, 7625705, 35078243, 35323975, 38128525, 175391215, 806799589, 876956075, 4033997945, 20169989725]

約数ペア:

[(1, 20169989725), (5, 4033997945), (23, 876956075), (25, 806799589), (115, 175391215), (529, 38128525), (571, 35323975), (575, 35078243), (2645, 7625705), (2671, 7551475), (2855, 7064795), (13133, 1535825), (13225, 1525141), (13355, 1510295), (14275, 1412959), (61433, 328325), (65665, 307165), (66775, 302059)]